New Year's Day
New Year's Day (obs.)
Coming of Age Day
Foundation Day
Vernal Equinox Day
Shōwa Day
Constitution Memorial Day
Greenery Day
Children's Day
Marine Day
Respect-for-Aged Day
Autumnal Equinox Day
Health and Sports Day
Culture Day
Labor Thanksgiving Day
Emperor's Birthday
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1390
1391
1392 › 
# Date Public holiday
1Saturday, 1 January 1391 New Year's Day
Monday, 3 January 1391 New Year's Day (observance)
2Monday, 10 January 1391 Coming of Age Day
3Friday, 11 February 1391 Foundation Day
4Sunday, 20 March 1391 Vernal Equinox Day
5Friday, 29 April 1391 Shōwa Day
6Tuesday, 3 May 1391 Constitution Memorial Day
7Wednesday, 4 May 1391 Greenery Day
8Thursday, 5 May 1391 Children's Day
9Monday, 18 July 1391 Marine Day
10Monday, 19 September 1391 Respect-for-Aged Day
11Friday, 23 September 1391 Autumnal Equinox Day
12Monday, 10 October 1391 Health and Sports Day
13Thursday, 3 November 1391 Culture Day
14Wednesday, 23 November 1391 Labor Thanksgiving Day
15Friday, 23 December 1391 Emperor's Birthday